Hi.
I stumbled upon that issue several times, yet.
I'm not sure, but perhaps the area:highway-proposal [1] is useful here.
Before we have to discuss the general pros and cons of that proposal: I
don't think it's necessary to tag all streets with an area (but it would
be possible, sure), and I don't think, it's useful to do so in general
before we have tools to support that.
But I think, in cases where the line generalization of a highway is not
enough - like it's here in the steps issue, it would be useful to do that.
The additional highway:steps would stay at separate ways "on top" of the
area.
Usual routers then use the "traditional" highway:steps alone, renderers
could use the area:highway=steps polygon to render steps in the real
size (would need special database selections to apply that rendering,
but I'm sure, it's possible).
regards
Peter
[1] http://wiki.openstreetmap.org/wiki/Proposed_features/area:highway
Am 07.10.2011 16:50, schrieb David Earl:
Any suggestions as to how to represent some steps...
These steps aren't that unusual I guess, but they aren't a staircase.
They form the edges of a piazza-like platform, running most of the way
around it. There are only 4 steps, but they are several of them, up to
about 40m wide: http://twitpic.com/6whcou
I could do a polygon tagged
highway=steps
area=yes
but then there is a problem indicating which is the incline of the
steps, as incline=up no longer makes sense. How would you know that it
is a wide, short set of steps rather than a long, more conventional
staircase.
I could do a way
highway=steps
incline=right
to indicate that the direction of the steps is across the way rather
than along it, though of course no renderer will understand that, and
one could in principle have both long and wide steps. (Indeed, people
who went to Girona will remember that the steps up to the Cathedral
there are maybe 25m wide and 50m long, wider than the building they
lead up to; these are currently a simple way in OSM).
David
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